java - How do I get only integers from a string? -


this question has answer here:

i have text field can enter string.

but need return integer using string.

i know how convert strings integers, how separate letters & punctuation string leaves numbers?

try code:

string str = "a1?2.33/4tyz.7!8x"; str = str.replaceall("\\d", "");

now str contain "1233478"


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